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17976번: Thread Knots (acmicpc.net) 17976번: Thread Knots Your program is to read from standard input. The input starts with a line containing one integer, n (2 ≤ n ≤ 100,000), where n is the number of threads. In the following n lines, the i-th line contains two integers xi (0 ≤ xi ≤ 109) and li (1 ≤ www.acmicpc.net * 이분 탐색으로 풀이하는 문제 import sys input = sys.stdin.readline n = int(input()) lines = ..